We make every effort to ensure the data presented here is accurate based on the best available information currently on file with DEC. It is therefore subject to change as new information becomes available. We recommend contacting the assigned project staff prior to making decisions based on this information.

Problems/Comments

Rapids Camp was established as a recreational facility for troops stationed at the King Salmon Air Station (AS); waste oils, fuels and polychlorinated biphenyls (PCBs) were used and stored at the site. The King Salmon AS has been divided into seven Groundwater Zones for the purpose of site management. Rapids Camp is also referred to as Groundwater Zone 6 (OT032). Rapids Camp AS Landfill (LF003) is a former garbage landfill site within Rapids Camp/Zone 6 (OT032) used by the Air Force between 1952 and 1977.
The landfill was capped and vegetated and groundwater monitoring well MW-15 was installed and monitored. A ROD for all of Rapids Camp/Zone 6 was signed in June of 2000. The selected remedy includes institutional controls (ICs), inspection and maintenance of the landfill cap and continued groundwater monitoring, with no further remedial action planned. ICs include no excavation or construction permitted within the boundary of the capped landfill (LF003) and no installation of drinking water wells within 100 feet of the boundary of the landfill.
Zone-wide annual groundwater monitoring and base-wide Long Term Monitoring(LTM)of ICs were established. For additional information on groundwater monitoring and LTM at Rapids Camp including AS Landfill (LF003), see CS database entry: 2569.38.020 - King Salmon AS OT032 GW Zone 6, Hazard ID (ID): 2633.

Action Information

Action Date

Action

Description

DEC Staff

6/15/1985

Preliminary Assessment Approved

Installation Restoration Program Preliminary Assessment - Naknek Recreation Camps (dated April 1989). Preliminary Assessment performed to identify past spill or disposal sites that posed potential and actual hazards, or both, to public health or the environment.

Hazardous Materials Technical Center Assessment: recommends that construction rubble, drums and barrels be removed from site#1 landfill. Install monitoring well system and soil sampling should be done with contaminated soil removed. Site#2 removal of all drums is recommended along with previous suggestions for monitoring/sampling. Site#3 soil sampling of stained area is suggested as well as disposal/removal.

No Longer Assigned

6/15/1990

Site Ranked Using the AHRM

Reconnaissance electromagnetic survey was conducted to search for buried drums, tanks, or other debris potentially buried on site, and to assist in choosing optimal drilling sites for soil borings and soil gas sample locations. The results of the soil gas survey were used to define areas of greatest potential environmental impact.

No Longer Assigned

6/15/1991

Update or Other Action

Partial site assessment performed to determine the presence or absence of contaminants reportedly released to subsurface at locations identified in the preliminary assessment.

Louis Howard

6/15/1995

Site Characterization Report Approved

Naknek Recreation Camps Remedial Investigation Report (final dated June 1995). Objective was to further define the extent of contamination in the subsurface. Two contamination sources were identified at Rapids Camp including the former generator pad and beach/dock area.

Baseline Human Health and Preliminary Ecological Risk Assessment, Naknek Recreation Camps (final dated November 1996). Results indicated some remediation is required at both sites due to contaminant concentrations exceeding risk-based standards and the potential harm to wildlife from exposure to DRO, DDT, and heavy metals.

Gretchen Pikul

12/3/1996

Update or Other Action

Naknek Recreation Camps (Rapids Camp) Leaching Assessment (draft dated November 1996, received December 1996, no final report issued - report had many issues and Air Force did not produce a final report).

Gretchen Pikul

2/20/1997

Site Added to Database

Site added by Shannon and Wilson, Inc. Debris and drums of unknown contents.

S&W-Miner

8/5/1997

Update or Other Action

Management Action Plan report (draft dated December 1996, received March 1997, final dated June 1997, received August 1997).

Gretchen Pikul

2/18/1998

Proposed Plan

Rapids Camp Proposed Plan.

Gretchen Pikul

3/25/1998

Update or Other Action

Rapids Camp Modeling to Support Remedial Alternatives (draft dated March 5, 1998, no final report received).

Gretchen Pikul

4/27/1998

Update or Other Action

King Salmon, Naknek and South Naknek Native Villages Site Assessment Report (draft dated March 1998, received April 1998, no final received).

Gretchen Pikul

9/4/1998

Update or Other Action

King Salmon Residential Well Sampling, August 1997 Sampling Event, Analytical Results and Data Evaluation (dated March 1998, received September 1998).

Record of Decision for Final Remedial Action, Naknek Recreation Camp 1 (Rapids Camp/Site OT032) dated April 2000, signed by ADEC on April 11, 2000, and Air Force on June 30, 2000. The selected remedy for the site includes institutional controls (land use restrictions), inspection and maintenance of the landfill cap, and continued groundwater monitoring, with no further remedial action planned, as the final action for Rapids Camp. ICs have not yet been established.

Gretchen Pikul

10/4/2000

Long Term Monitoring Established

Annual groundwater monitoring will continue at the landfill site until the field and analytical data support the conclusion that contaminant levels remain below ADEC 18 AAC 75, Table C Groundwater Cleanup Levels. Monitoring may be discontinued after the five-year review and only with agency and community approval. Final Groundwater Zone 6 Work Plan received October 4.

Changed Observed Environmental Impacts value from 3 to 0 because an entry exists for Surface Water Environments.

No Longer Assigned

1/31/2007

Update or Other Action

File number issued 2569.38.020.03.

Aggie Blandford

1/30/2009

Update or Other Action

Well Decommissioning Report received detailing the decommissioning of several wells at the sites in the Rapids Camp area. Landfill groundwater monitoring well MW-15 was decommissioned because the contaminant levels in the groundwater had reached the applicable Remedial Action Objective. The well was removed from the ground and the annulus filled with bentonite chips, in addition to other material. There were no comments submitted on this report.

Jonathan Schick

7/1/2015

Update or Other Action

Final Land Use Control Management Plan – Pacific Air Forces Regional Support Center Installations published which includes the following land use controls at the Rapids Camp AS Landfill: no excavation or construction is permitted within the boundary of the capped landfill (LF003), and no installation of drinking water wells within 100 feet of the boundary of LF003 within OT032.

Holly Weiss-Racine

5/3/2016

Cleanup Complete Determination Issued

A Cleanup Complete Determination for Groundwater Zone 6 and associated sites at King Salmon Divert was issued on May 3, 2016. This includes a Cleanup Complete with Institutional Controls (ICs) determination for 2569.38.020.03 - King Salmon AS Rapids Camp Landfill (LF003 Landfill), Hazard ID: 707. Long Term Monitoring of ICs at the landfill will continue.

Holly Weiss-Racine

5/5/2016

Institutional Control Record Established

Institutional Controls established and entered into the database.

Holly Weiss-Racine

Contaminant Information

Name

Level Description

Media

Comments

DRO

> Human Health/Ingestion/Inhalation

Soil

Control Type

Type

Details

Land Use Plan / Maps / Base Master Plan

ICs are required to be posted in Base General Plan; however, ICs were not included in the 2005 version of this document.

Land Use Plan / Maps / Base Master Plan

ICs (Land Use Restrictions) are presented in the U.S. Air Force Land Use Control Plan 2015.

Requirements

Restricts groundwater well installation within 100 feet of the landfill. Five-Year Review

Advance approval required to transport soil or groundwater off-site.

Movement or use of contaminated material (including on site) in a manner that results in a violation of the water quality standards is prohibited (18 AAC 70)

There are no documents for this site report.

Missing Location Data

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